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<div class="title">logger.cpp</div>  </div>
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<a href="logger_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160; </div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="logger_8h.html">logger.h</a>&quot;</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="preprocessor">#include &lt;stdio.h&gt;</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor">#include &lt;stdlib.h&gt;</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor">#include &lt;QDateTime&gt;</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#include &lt;QThread&gt;</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#include &lt;QObject&gt;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor">#if QT_VERSION &gt;= QT_VERSION_CHECK(6, 0, 0)</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">    #include &lt;QRecursiveMutex&gt;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160; </div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="keyword">using namespace </span>stefanfrings;</div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160; </div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<a class="code" href="classstefanfrings_1_1Logger.html">Logger</a>* Logger::defaultLogger=<span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160; </div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160; </div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;QThreadStorage&lt;QHash&lt;QString,QString&gt;*&gt; Logger::logVars;</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160; </div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160; </div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;QMutex <a class="code" href="classstefanfrings_1_1Logger.html#a724e09b39b88c5a880f2405a260949cb">Logger::mutex</a>;</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160; </div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160; </div>
<div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="classstefanfrings_1_1Logger.html#a002e7ed636e30aa9fa73bc08b96201d3">   27</a></span>&#160;<a class="code" href="classstefanfrings_1_1Logger.html#a002e7ed636e30aa9fa73bc08b96201d3">Logger::Logger</a>(QObject* parent)</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;    : QObject(parent),</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;    msgFormat(<span class="stringliteral">&quot;{timestamp} {type} {msg}&quot;</span>),</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;    timestampFormat(<span class="stringliteral">&quot;dd.MM.yyyy hh:mm:ss.zzz&quot;</span>),</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;    minLevel(QtDebugMsg),</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;    bufferSize(0)</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;    {}</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160; </div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160; </div>
<div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="classstefanfrings_1_1Logger.html#a2e5296c24964b38d93a2a13db532db33">   36</a></span>&#160;<a class="code" href="classstefanfrings_1_1Logger.html#a002e7ed636e30aa9fa73bc08b96201d3">Logger::Logger</a>(<span class="keyword">const</span> QString msgFormat, <span class="keyword">const</span> QString timestampFormat, <span class="keyword">const</span> QtMsgType minLevel, <span class="keyword">const</span> <span class="keywordtype">int</span> bufferSize, QObject* parent)</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;    :QObject(parent)</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;{</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    this-&gt;msgFormat=<a class="code" href="classstefanfrings_1_1Logger.html#ab7dada738f69e822329edd76889bb758">msgFormat</a>;</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    this-&gt;timestampFormat=<a class="code" href="classstefanfrings_1_1Logger.html#a04eed4523912a75a31d75589f9eb81db">timestampFormat</a>;</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;    this-&gt;minLevel=<a class="code" href="classstefanfrings_1_1Logger.html#a032b8dabe616327d58e97b1a5c853f86">minLevel</a>;</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;    this-&gt;bufferSize=<a class="code" href="classstefanfrings_1_1Logger.html#a9e6f76da976e3f09962c7613ad7aad8a">bufferSize</a>;</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;}</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160; </div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="preprocessor">#if QT_VERSION &gt;= QT_VERSION_CHECK(6, 0, 0)</span></div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;    <span class="keyword">static</span> QRecursiveMutex recursiveMutex;</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;    <span class="keyword">static</span> QMutex nonRecursiveMutex;</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    <span class="keyword">static</span> QMutex recursiveMutex(QMutex::Recursive);</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    <span class="keyword">static</span> QMutex nonRecursiveMutex(QMutex::NonRecursive);</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160; </div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="keywordtype">void</span> Logger::msgHandler(<span class="keyword">const</span> QtMsgType type, <span class="keyword">const</span> QString &amp;message, <span class="keyword">const</span> QString &amp;file, <span class="keyword">const</span> QString &amp;<span class="keyword">function</span>, <span class="keyword">const</span> <span class="keywordtype">int</span> line)</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;{   </div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    <span class="comment">// Prevent multiple threads from calling this method simultaneoulsy.</span></div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    <span class="comment">// But allow recursive calls, which is required to prevent a deadlock</span></div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;    <span class="comment">// if the logger itself produces an error message.</span></div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;    recursiveMutex.lock();</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160; </div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    <span class="comment">// Fall back to stderr when this method has been called recursively.</span></div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    <span class="keywordflow">if</span> (defaultLogger &amp;&amp; nonRecursiveMutex.tryLock())</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    {</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;        defaultLogger-&gt;<a class="code" href="classstefanfrings_1_1Logger.html#af731fc45cf731695d5f971472032190d">log</a>(type, message, file, <span class="keyword">function</span>, line);</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;        nonRecursiveMutex.unlock();</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    }</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;    {</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;        fputs(qPrintable(message),stderr);</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;        fflush(stderr);</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    }</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160; </div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;    <span class="comment">// Abort the program after logging a fatal message</span></div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;    <span class="keywordflow">if</span> (type==QtFatalMsg)</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;    {</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;        abort();</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;    }</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160; </div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;    recursiveMutex.unlock();</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;}</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160; </div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160; </div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;<span class="preprocessor">#if QT_VERSION &gt;= QT_VERSION_CHECK(5, 0, 0)</span></div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    <span class="keywordtype">void</span> Logger::msgHandler5(<span class="keyword">const</span> QtMsgType type, <span class="keyword">const</span> QMessageLogContext &amp;context, <span class="keyword">const</span> QString &amp;message)</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;    {</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;      (void)(context); <span class="comment">// suppress &quot;unused parameter&quot; warning</span></div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;      msgHandler(type,message,context.file,context.function,context.line);</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    }</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;    <span class="keywordtype">void</span> Logger::msgHandler4(<span class="keyword">const</span> QtMsgType type, <span class="keyword">const</span> <span class="keywordtype">char</span>* message)</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;    {</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;        msgHandler(type,message);</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    }</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160; </div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160; </div>
<div class="line"><a name="l00096"></a><span class="lineno"><a class="line" href="classstefanfrings_1_1Logger.html#acb668a9e186a25fbaad2e4af6d1ed00a">   96</a></span>&#160;<a class="code" href="classstefanfrings_1_1Logger.html#acb668a9e186a25fbaad2e4af6d1ed00a">Logger::~Logger</a>()</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;{</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;    <span class="keywordflow">if</span> (defaultLogger==<span class="keyword">this</span>)</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;    {</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;<span class="preprocessor">#if QT_VERSION &gt;= QT_VERSION_CHECK(5, 0, 0)</span></div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;        qInstallMessageHandler(<span class="keyword">nullptr</span>);</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;        qInstallMsgHandler(<span class="keyword">nullptr</span>);</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;        defaultLogger=<span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;    }</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;}</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160; </div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160; </div>
<div class="line"><a name="l00110"></a><span class="lineno"><a class="line" href="classstefanfrings_1_1Logger.html#a69f50fe67efaa254ee219f6de384e9fa">  110</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classstefanfrings_1_1Logger.html#a69f50fe67efaa254ee219f6de384e9fa">Logger::write</a>(<span class="keyword">const</span> <a class="code" href="classstefanfrings_1_1LogMessage.html">LogMessage</a>* logMessage)</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;{</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;    fputs(qPrintable(logMessage-&gt;<a class="code" href="classstefanfrings_1_1LogMessage.html#a0afc95ed8eb8b5cc611b5b9436f65053">toString</a>(<a class="code" href="classstefanfrings_1_1Logger.html#ab7dada738f69e822329edd76889bb758">msgFormat</a>,<a class="code" href="classstefanfrings_1_1Logger.html#a04eed4523912a75a31d75589f9eb81db">timestampFormat</a>)),stderr);</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;    fflush(stderr);</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;}</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160; </div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160; </div>
<div class="line"><a name="l00117"></a><span class="lineno"><a class="line" href="classstefanfrings_1_1Logger.html#a333125f7ac75da148f3345ad4e5c49f3">  117</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classstefanfrings_1_1Logger.html#a333125f7ac75da148f3345ad4e5c49f3">Logger::installMsgHandler</a>()</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;{</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;    defaultLogger=<span class="keyword">this</span>;</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;<span class="preprocessor">#if QT_VERSION &gt;= QT_VERSION_CHECK(5, 0, 0)</span></div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;    qInstallMessageHandler(msgHandler5);</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;    qInstallMsgHandler(msgHandler4);</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;}</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160; </div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160; </div>
<div class="line"><a name="l00128"></a><span class="lineno"><a class="line" href="classstefanfrings_1_1Logger.html#aeec74ca028bceb107a2337c5f6090432">  128</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classstefanfrings_1_1Logger.html#aeec74ca028bceb107a2337c5f6090432">Logger::set</a>(<span class="keyword">const</span> QString&amp; name, <span class="keyword">const</span> QString&amp; value)</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;{</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;    <a class="code" href="classstefanfrings_1_1Logger.html#a724e09b39b88c5a880f2405a260949cb">mutex</a>.lock();</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;    <span class="keywordflow">if</span> (!logVars.hasLocalData())</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;    {</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;        logVars.setLocalData(<span class="keyword">new</span> QHash&lt;QString,QString&gt;);</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;    }</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;    logVars.localData()-&gt;insert(name,value);</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;    <a class="code" href="classstefanfrings_1_1Logger.html#a724e09b39b88c5a880f2405a260949cb">mutex</a>.unlock();</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;}</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160; </div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160; </div>
<div class="line"><a name="l00140"></a><span class="lineno"><a class="line" href="classstefanfrings_1_1Logger.html#a4dc933a2f38098fc539f7e17fc39da41">  140</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classstefanfrings_1_1Logger.html#a4dc933a2f38098fc539f7e17fc39da41">Logger::clear</a>(<span class="keyword">const</span> <span class="keywordtype">bool</span> buffer, <span class="keyword">const</span> <span class="keywordtype">bool</span> variables)</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;{</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;    <a class="code" href="classstefanfrings_1_1Logger.html#a724e09b39b88c5a880f2405a260949cb">mutex</a>.lock();</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;    <span class="keywordflow">if</span> (buffer &amp;&amp; buffers.hasLocalData())</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;    {</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;        QList&lt;LogMessage*&gt;* buffer=buffers.localData();</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;        <span class="keywordflow">while</span> (buffer &amp;&amp; !buffer-&gt;isEmpty())</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;        {</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;            <a class="code" href="classstefanfrings_1_1LogMessage.html">LogMessage</a>* logMessage=buffer-&gt;takeLast();</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;            <span class="keyword">delete</span> logMessage;</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;        }</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;    }</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;    <span class="keywordflow">if</span> (variables &amp;&amp; logVars.hasLocalData())</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;    {</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;        logVars.localData()-&gt;clear();</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;    }</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;    <a class="code" href="classstefanfrings_1_1Logger.html#a724e09b39b88c5a880f2405a260949cb">mutex</a>.unlock();</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;}</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160; </div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160; </div>
<div class="line"><a name="l00160"></a><span class="lineno"><a class="line" href="classstefanfrings_1_1Logger.html#af731fc45cf731695d5f971472032190d">  160</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classstefanfrings_1_1Logger.html#af731fc45cf731695d5f971472032190d">Logger::log</a>(<span class="keyword">const</span> QtMsgType type, <span class="keyword">const</span> QString&amp; message, <span class="keyword">const</span> QString &amp;file, <span class="keyword">const</span> QString &amp;<span class="keyword">function</span>, <span class="keyword">const</span> <span class="keywordtype">int</span> line)</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;{    </div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;    <span class="comment">// Check if the type of the message reached the configured minLevel in the order</span></div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;    <span class="comment">// DEBUG, INFO, WARNING, CRITICAL, FATAL</span></div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;    <span class="comment">// Since Qt 5.5: INFO messages are between DEBUG and WARNING</span></div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;    <span class="keywordtype">bool</span> toPrint=<span class="keyword">false</span>;</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;    <span class="keywordflow">switch</span> (type)</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;    {</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;        <span class="keywordflow">case</span> QtDebugMsg:</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;            <span class="keywordflow">if</span> (<a class="code" href="classstefanfrings_1_1Logger.html#a032b8dabe616327d58e97b1a5c853f86">minLevel</a>==QtDebugMsg)</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;            {</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;                toPrint=<span class="keyword">true</span>;</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;            }</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160; </div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;<span class="preprocessor">    #if QT_VERSION &gt;= QT_VERSION_CHECK(5, 5, 0)</span></div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;        <span class="keywordflow">case</span> QtInfoMsg:</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;            <span class="keywordflow">if</span> (<a class="code" href="classstefanfrings_1_1Logger.html#a032b8dabe616327d58e97b1a5c853f86">minLevel</a>==QtDebugMsg ||</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;                <a class="code" href="classstefanfrings_1_1Logger.html#a032b8dabe616327d58e97b1a5c853f86">minLevel</a>==QtInfoMsg)</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;            {</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;                toPrint=<span class="keyword">true</span>;</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;            }</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;<span class="preprocessor">    #endif</span></div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160; </div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;        <span class="keywordflow">case</span> QtWarningMsg:</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;            <span class="keywordflow">if</span> (<a class="code" href="classstefanfrings_1_1Logger.html#a032b8dabe616327d58e97b1a5c853f86">minLevel</a>==QtDebugMsg ||</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;                #<span class="keywordflow">if</span> QT_VERSION &gt;= QT_VERSION_CHECK(5, 5, 0)</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;                    <a class="code" href="classstefanfrings_1_1Logger.html#a032b8dabe616327d58e97b1a5c853f86">minLevel</a>==QtInfoMsg ||</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;                #endif</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;                <a class="code" href="classstefanfrings_1_1Logger.html#a032b8dabe616327d58e97b1a5c853f86">minLevel</a>==QtWarningMsg)</div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;            {</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;                toPrint=<span class="keyword">true</span>;</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;            }</div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160; </div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;        <span class="keywordflow">case</span> QtCriticalMsg: <span class="comment">// or QtSystemMsg which has the same int value</span></div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;            <span class="keywordflow">if</span> (<a class="code" href="classstefanfrings_1_1Logger.html#a032b8dabe616327d58e97b1a5c853f86">minLevel</a>==QtDebugMsg ||</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;                #<span class="keywordflow">if</span> QT_VERSION &gt;= QT_VERSION_CHECK(5, 5, 0)</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;                    <a class="code" href="classstefanfrings_1_1Logger.html#a032b8dabe616327d58e97b1a5c853f86">minLevel</a>==QtInfoMsg ||</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;                #endif</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;                <a class="code" href="classstefanfrings_1_1Logger.html#a032b8dabe616327d58e97b1a5c853f86">minLevel</a>==QtWarningMsg ||</div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;                <a class="code" href="classstefanfrings_1_1Logger.html#a032b8dabe616327d58e97b1a5c853f86">minLevel</a>==QtCriticalMsg)</div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;            {</div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;                toPrint=<span class="keyword">true</span>;</div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;            }</div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160; </div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;        <span class="keywordflow">case</span> QtFatalMsg:</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;            toPrint=<span class="keyword">true</span>;</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160; </div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;        <span class="keywordflow">default</span>: <span class="comment">// For additional type that might get introduced in future</span></div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;            toPrint=<span class="keyword">true</span>;</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;    }</div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160; </div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;    <a class="code" href="classstefanfrings_1_1Logger.html#a724e09b39b88c5a880f2405a260949cb">mutex</a>.lock();</div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160; </div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;    <span class="comment">// If the buffer is enabled, write the message into it</span></div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;    <span class="keywordflow">if</span> (<a class="code" href="classstefanfrings_1_1Logger.html#a9e6f76da976e3f09962c7613ad7aad8a">bufferSize</a>&gt;0)</div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;    {</div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;        <span class="comment">// Create new thread local buffer, if necessary</span></div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;        <span class="keywordflow">if</span> (!buffers.hasLocalData())</div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;        {</div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;            buffers.setLocalData(<span class="keyword">new</span> QList&lt;LogMessage*&gt;());</div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;        }</div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;        QList&lt;LogMessage*&gt;* buffer=buffers.localData();</div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160; </div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;        <span class="comment">// Append the decorated log message to the buffer</span></div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;        <a class="code" href="classstefanfrings_1_1LogMessage.html">LogMessage</a>* logMessage=<span class="keyword">new</span> <a class="code" href="classstefanfrings_1_1LogMessage.html">LogMessage</a>(type,message,logVars.localData(),file,<span class="keyword">function</span>,line);</div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;        buffer-&gt;append(logMessage);</div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160; </div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;        <span class="comment">// Delete oldest message if the buffer became too large</span></div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;        <span class="keywordflow">if</span> (buffer-&gt;size()&gt;<a class="code" href="classstefanfrings_1_1Logger.html#a9e6f76da976e3f09962c7613ad7aad8a">bufferSize</a>)</div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;        {</div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;            <span class="keyword">delete</span> buffer-&gt;takeFirst();</div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;        }</div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160; </div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;        <span class="comment">// Print the whole buffer if the type is high enough</span></div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;        <span class="keywordflow">if</span> (toPrint)</div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;        {</div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;            <span class="comment">// Print the whole buffer content</span></div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;            <span class="keywordflow">while</span> (!buffer-&gt;isEmpty())</div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;            {</div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;                <a class="code" href="classstefanfrings_1_1LogMessage.html">LogMessage</a>* logMessage=buffer-&gt;takeFirst();</div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;                <a class="code" href="classstefanfrings_1_1Logger.html#a69f50fe67efaa254ee219f6de384e9fa">write</a>(logMessage);</div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;                <span class="keyword">delete</span> logMessage;</div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;            }</div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;        }</div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;    }</div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160; </div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;    <span class="comment">// Buffer is disabled, print the message if the type is high enough</span></div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;    {</div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;        <span class="keywordflow">if</span> (toPrint)</div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;        {</div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;            <a class="code" href="classstefanfrings_1_1LogMessage.html">LogMessage</a> logMessage(type,message,logVars.localData(),file,<span class="keyword">function</span>,line);</div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;            <a class="code" href="classstefanfrings_1_1Logger.html#a69f50fe67efaa254ee219f6de384e9fa">write</a>(&amp;logMessage);</div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;        }</div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;    }</div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;    <a class="code" href="classstefanfrings_1_1Logger.html#a724e09b39b88c5a880f2405a260949cb">mutex</a>.unlock();</div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;}</div>
<div class="ttc" id="aclassstefanfrings_1_1LogMessage_html"><div class="ttname"><a href="classstefanfrings_1_1LogMessage.html">stefanfrings::LogMessage</a></div><div class="ttdoc">Represents a single log message together with some data that are used to decorate the log message.</div><div class="ttdef"><b>Definition:</b> <a href="logmessage_8h_source.html#l00036">logmessage.h:37</a></div></div>
<div class="ttc" id="aclassstefanfrings_1_1LogMessage_html_a0afc95ed8eb8b5cc611b5b9436f65053"><div class="ttname"><a href="classstefanfrings_1_1LogMessage.html#a0afc95ed8eb8b5cc611b5b9436f65053">stefanfrings::LogMessage::toString</a></div><div class="ttdeci">QString toString(const QString &amp;msgFormat, const QString &amp;timestampFormat) const</div><div class="ttdoc">Returns the log message as decorated string.</div><div class="ttdef"><b>Definition:</b> <a href="logmessage_8cpp_source.html#l00029">logmessage.cpp:29</a></div></div>
<div class="ttc" id="aclassstefanfrings_1_1Logger_html"><div class="ttname"><a href="classstefanfrings_1_1Logger.html">stefanfrings::Logger</a></div><div class="ttdoc">Decorates and writes log messages to the console, stderr.</div><div class="ttdef"><b>Definition:</b> <a href="logger_8h_source.html#l00052">logger.h:52</a></div></div>
<div class="ttc" id="aclassstefanfrings_1_1Logger_html_a002e7ed636e30aa9fa73bc08b96201d3"><div class="ttname"><a href="classstefanfrings_1_1Logger.html#a002e7ed636e30aa9fa73bc08b96201d3">stefanfrings::Logger::Logger</a></div><div class="ttdeci">Logger(QObject *parent)</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="logger_8cpp_source.html#l00027">logger.cpp:27</a></div></div>
<div class="ttc" id="aclassstefanfrings_1_1Logger_html_a032b8dabe616327d58e97b1a5c853f86"><div class="ttname"><a href="classstefanfrings_1_1Logger.html#a032b8dabe616327d58e97b1a5c853f86">stefanfrings::Logger::minLevel</a></div><div class="ttdeci">QtMsgType minLevel</div><div class="ttdoc">Minimum level of message types that are written out directly or trigger writing the buffered content.</div><div class="ttdef"><b>Definition:</b> <a href="logger_8h_source.html#l00128">logger.h:128</a></div></div>
<div class="ttc" id="aclassstefanfrings_1_1Logger_html_a04eed4523912a75a31d75589f9eb81db"><div class="ttname"><a href="classstefanfrings_1_1Logger.html#a04eed4523912a75a31d75589f9eb81db">stefanfrings::Logger::timestampFormat</a></div><div class="ttdeci">QString timestampFormat</div><div class="ttdoc">Format string of timestamps.</div><div class="ttdef"><b>Definition:</b> <a href="logger_8h_source.html#l00125">logger.h:125</a></div></div>
<div class="ttc" id="aclassstefanfrings_1_1Logger_html_a333125f7ac75da148f3345ad4e5c49f3"><div class="ttname"><a href="classstefanfrings_1_1Logger.html#a333125f7ac75da148f3345ad4e5c49f3">stefanfrings::Logger::installMsgHandler</a></div><div class="ttdeci">void installMsgHandler()</div><div class="ttdoc">Installs this logger as the default message handler, so it can be used through the global static logg...</div><div class="ttdef"><b>Definition:</b> <a href="logger_8cpp_source.html#l00117">logger.cpp:117</a></div></div>
<div class="ttc" id="aclassstefanfrings_1_1Logger_html_a4dc933a2f38098fc539f7e17fc39da41"><div class="ttname"><a href="classstefanfrings_1_1Logger.html#a4dc933a2f38098fc539f7e17fc39da41">stefanfrings::Logger::clear</a></div><div class="ttdeci">virtual void clear(const bool buffer=true, const bool variables=true)</div><div class="ttdoc">Clear the thread-local data of the current thread.</div><div class="ttdef"><b>Definition:</b> <a href="logger_8cpp_source.html#l00140">logger.cpp:140</a></div></div>
<div class="ttc" id="aclassstefanfrings_1_1Logger_html_a69f50fe67efaa254ee219f6de384e9fa"><div class="ttname"><a href="classstefanfrings_1_1Logger.html#a69f50fe67efaa254ee219f6de384e9fa">stefanfrings::Logger::write</a></div><div class="ttdeci">virtual void write(const LogMessage *logMessage)</div><div class="ttdoc">Decorate and write a log message to stderr.</div><div class="ttdef"><b>Definition:</b> <a href="logger_8cpp_source.html#l00110">logger.cpp:110</a></div></div>
<div class="ttc" id="aclassstefanfrings_1_1Logger_html_a724e09b39b88c5a880f2405a260949cb"><div class="ttname"><a href="classstefanfrings_1_1Logger.html#a724e09b39b88c5a880f2405a260949cb">stefanfrings::Logger::mutex</a></div><div class="ttdeci">static QMutex mutex</div><div class="ttdoc">Used to synchronize access of concurrent threads.</div><div class="ttdef"><b>Definition:</b> <a href="logger_8h_source.html#l00134">logger.h:134</a></div></div>
<div class="ttc" id="aclassstefanfrings_1_1Logger_html_a9e6f76da976e3f09962c7613ad7aad8a"><div class="ttname"><a href="classstefanfrings_1_1Logger.html#a9e6f76da976e3f09962c7613ad7aad8a">stefanfrings::Logger::bufferSize</a></div><div class="ttdeci">int bufferSize</div><div class="ttdoc">Size of backtrace buffer, number of messages per thread.</div><div class="ttdef"><b>Definition:</b> <a href="logger_8h_source.html#l00131">logger.h:131</a></div></div>
<div class="ttc" id="aclassstefanfrings_1_1Logger_html_ab7dada738f69e822329edd76889bb758"><div class="ttname"><a href="classstefanfrings_1_1Logger.html#ab7dada738f69e822329edd76889bb758">stefanfrings::Logger::msgFormat</a></div><div class="ttdeci">QString msgFormat</div><div class="ttdoc">Format string for message decoration.</div><div class="ttdef"><b>Definition:</b> <a href="logger_8h_source.html#l00122">logger.h:122</a></div></div>
<div class="ttc" id="aclassstefanfrings_1_1Logger_html_acb668a9e186a25fbaad2e4af6d1ed00a"><div class="ttname"><a href="classstefanfrings_1_1Logger.html#acb668a9e186a25fbaad2e4af6d1ed00a">stefanfrings::Logger::~Logger</a></div><div class="ttdeci">virtual ~Logger()</div><div class="ttdoc">Destructor.</div><div class="ttdef"><b>Definition:</b> <a href="logger_8cpp_source.html#l00096">logger.cpp:96</a></div></div>
<div class="ttc" id="aclassstefanfrings_1_1Logger_html_aeec74ca028bceb107a2337c5f6090432"><div class="ttname"><a href="classstefanfrings_1_1Logger.html#aeec74ca028bceb107a2337c5f6090432">stefanfrings::Logger::set</a></div><div class="ttdeci">static void set(const QString &amp;name, const QString &amp;value)</div><div class="ttdoc">Sets a thread-local variable that may be used to decorate log messages.</div><div class="ttdef"><b>Definition:</b> <a href="logger_8cpp_source.html#l00128">logger.cpp:128</a></div></div>
<div class="ttc" id="aclassstefanfrings_1_1Logger_html_af731fc45cf731695d5f971472032190d"><div class="ttname"><a href="classstefanfrings_1_1Logger.html#af731fc45cf731695d5f971472032190d">stefanfrings::Logger::log</a></div><div class="ttdeci">virtual void log(const QtMsgType type, const QString &amp;message, const QString &amp;file=&quot;&quot;, const QString &amp;function=&quot;&quot;, const int line=0)</div><div class="ttdoc">Decorate and log the message, if type&gt;=minLevel.</div><div class="ttdef"><b>Definition:</b> <a href="logger_8cpp_source.html#l00160">logger.cpp:160</a></div></div>
<div class="ttc" id="alogger_8h_html"><div class="ttname"><a href="logger_8h.html">logger.h</a></div></div>
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